Allen Test - Original Publication

Level of Evidence: Case Series

Background
Allen wanted to replace "time-consuming mechanical contrivances with the critical examination by vision and palpation".

Methods
A prospective case series of 3 patients utilising the same technique that is still used today (over 90 years later)


Results
Allen Test is a reproducible clinical sign for diagnosing patients with upper limb arterial disease.

Conclusion
The Allen Test has much wider clinical use. Even now, in Plastic Surgery, for example, when testing the patency of the palmar arch prior to a radial forearm flap.

Powerpoint Slides
Use these slides for your next journal club!